4.5" NH (NST) Female Long Handle x 4" NPT Male Adapter Aluminum HA15S15F 8" sizes NPT Male (National

8" sizes NPT Male (National Pipe Tapered)

Female Swivel Side 2 – 3” NPSH Female (National Pipe For Straight Hose)

Fire & Industrial 4” NPT x 4” NPT Double Male Fitting Anodized Aluminum

For the 1 1/2" diameter

this cotton hose works amazing

4.5" NH (NST) Female Long Handle x 4" NPT Male Adapter Aluminum HA15S15F 8" sizes NPT Male (NationalSpecifications Female Side 1 4. 5 NH (NST) Female (National Hose National Standard Thread) Male Side 2 4 NPT Male (National Pipe Tapered) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236 8. 1